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Fan blade and fan structure

A technology of fan blades and fans, which is applied to parts of pumping devices for elastic fluids, non-variable pumps, pump devices, etc., can solve the problem of increasing the size of the casing, metal fan blades impacting the casing, and unsatisfactory Thinning design requirements and other issues, to meet the design requirements, improve heat dissipation performance, meet the effect of thinning

Inactive Publication Date: 2020-06-30
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the operation of the fan, the tail end of the overly long metal fan blade will hit the casing due to deflection.
Therefore, the increase of the length of the metal fan blade perpendicular to the rotation axis of the fan (or the arc length of the metal fan blade) is limited, and it is difficult to significantly improve the heat dissipation performance of the fan
Otherwise, the size of the shell needs to be increased, which cannot meet the thinning design requirements

Method used

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  • Fan blade and fan structure
  • Fan blade and fan structure
  • Fan blade and fan structure

Examples

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Embodiment Construction

[0039] figure 1 It is a schematic diagram of a fan structure according to an embodiment of the present invention. figure 2 Yes figure 1 Exploded schematic diagram of the fan structure. image 3 Yes figure 1 Side view of the fan structure. Figure 4 Yes figure 2 Schematic diagram of the structure of one of the fan blades. For clarity and ease of explanation, image 3 The side wall of the casing 110 is omitted, and only one fan blade 150 is shown, and the other fan blades are omitted.

[0040] Please refer to Figure 1 to Figure 4 , in this embodiment, the fan structure 100 is, for example, a centrifugal fan, which includes a housing 110 , a cover 120 and a fan 130 . The cover 120 is disposed on the housing 110 , wherein the cover 120 has an air inlet 121 , and one side of the cover 120 and the housing 110 defines an air outlet 111 . The fan 130 is pivotally disposed in the housing 110 and located between the cover 120 and the housing 110 . When the fan 130 is runnin...

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Abstract

The invention provides a fan blade. The fan blade comprises an arch-shaped body and a combination part, and the arch-shaped body is provided with a main part and a tail end connected with the main part, wherein the width of the tail end is gradually reduced in the direction away from the main part; and the combination part is connected with the main part, and the tail end and the combination partare located on the two opposite sides of the main part correspondingly. The invention further provides a fan structure.

Description

technical field [0001] The invention relates to a fan blade and a fan structure, in particular to a fan blade and a fan structure applied to the fan blade. Background technique [0002] Common electronic devices, such as servers, mainframes of personal desktop computers, all-in-one computers (AIO), notebook computers, or monitors, mostly have built-in fans. The heat dissipates to the outside. [0003] At present, fans use metal fan blades. In order to meet the design requirements of thinning, the width of the metal fan blades parallel to the rotation axis of the fan is continuously reduced, so it is necessary to increase the length of the metal fan blades perpendicular to the rotation axis of the fan. (or the arc length of the metal fan blade) to maintain the flow of the fan when it is running. However, during the operation of the fan, the tail end of the overly long metal fan blade will hit the shell due to deflection. Therefore, the increase of the length of the metal f...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/30F04D25/08F04D29/66
CPCF04D25/08F04D29/281F04D29/30F04D29/666F04D29/667
Inventor 林育民廖文能谢铮玟柯召汉余顺达
Owner ACER INC
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